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#7116

Ray Lovestead
Participant

This is what you want.  Take out your spark plug and peek inside using this light.  It’s a great, bright, well made model.

http://www.amazon.com/gp/product/B0042VILIQ/ref=oh_details_o08_s00_i00?ie=UTF8&psc=1

Christian.  Can you provide a little more detail about what kind of color/etc you’re looking for on the piston top?  I’ve never come across anyone who tunes by looking at the top of the piston like this.  I go by EGT, feel, spark plug color and pitting on the piston (detonation).

Ray

"Karting Expert Since 2015"